html,body,#app{
    height: 100%;
    width: 100%;
    padding: 0;
    margin: 0;
    background:url("/css/photo/backgroup.jpg")no-repeat;
    background-size: 100%;
    backdrop-repeat: no-repeat;
}
.el-form{
    height: 300px;
    width: 400px;
    position: absolute;
    left: 50%;
    margin-left: -250px;
    top: 50%;
    margin-top: -180px;
    padding: 35px 40px;
    border-radius: 8px;
    background-color: rgba(240, 255, 255, 0.5);
    box-sizing: border-box;
}

div{
    text-align: center;
    font-size: 36px;
    color: #66b1ff;
    font-weight: 600;
}

.el-button{
    width: 100%;
}
.
.el-input{
    /*width: 100px!important;*/
}